WORKING WHEEL OF FRANCE- WATER TURBINE

• Main Authors: OBRETENOV,VALENTIN S, GROZEV,GROZO I
• Format: Patent
• Language: Bulgarian; English
• Published: 15.10.1980
• Edition: 3
• Subjects: BLASTING; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PRODUCING MECHANICAL POWER; WEAPONS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS